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What’s the Error? A student said that th...

What’s the Error? A student said that the ratios `3/4 and 9/16` were proportional. What error did the student make?

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NCERT EXEMPLAR-COMPARING QUANTITIES-EXERCISE
  1. Language Application Given below are few Mathematical terms. Fi...

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  2. What’s the Error? An analysis showed that 0.06 per cent of the T-shirt...

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  3. What’s the Error? A student said that the ratios 3/4 and 9/16 were pro...

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  4. What’s the Error? A clothing store charges Rs. 1024 for 4 T-shirts. A ...

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  5. A tea merchant blends two varieties of tea in the ratio of 5 : 4. The ...

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  6. A piece of cloth 5 m long shrinks 10 per cent on washing. How long wil...

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  7. Nancy obtained 426 marks out of 600 and the marks obtained by Rohit ar...

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  8. A memorial trust donates Rs. 5,00,000 to a school, the interest on whi...

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  9. Ambika got 99 per cent marks in Mathematics, 76 per cent marks in Hind...

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  10. What sum of money lent out at 16 per cent per annum simple interest wo...

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  11. Harish bought a gaschullah for Rs. 900 and later sold it to Archana at...

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  12. Match each of the entries in Column I with the appropriate entries in ...

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  13. In a debate competition, the judges decide that 20 per cent of the tot...

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  14. Divide Rs. 10000 in two parts so that the simple interest on the first...

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  15. Rs. 9000 becomes Rs. 18000 at simple interest in 8 years. Find the rat...

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  16. In how many years will the simple interest on a certain sum be 4.05 ti...

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  17. The simple interest on a certain sum for 8 years at 12 per cent per an...

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  18. The simple interest on a certain sum for 2.5 years at 12 per cent per ...

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  19. 150 students are studying English, Maths or both. 62 per cent of the s...

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  20. Earth Science: The table lists the world’s 10 largest deserts. Wh...

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